Quote:
Originally Posted by yellowmac
Ok, sure. But Sedna and the other KBOs that have been discovered in the past few years aren't the elusive Planet X that people have been searching for. I think it's doubtful that a large "Planet X" (i.e. Neptune mass) exists, because it probably would have perturbed the orbits of Kuiper Belt and Oort Cloud objects to adversely affect the inner and outer solar system.
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From the research I have done there is debate as to whether or not something is pulling on the orbit of pluto that has to be significantly larger than the recent pluto like planetoid. To me I dont understand how there can be debate with the present technology we have even from a visual telescope; numbers dont lie.
I have also heard speculation that planet X "Nibiru" is actually a brown dwarf on its own 36,000 year orbit because this was supposedly a binary solar system. Again there is not much of a foundation to support that either.
The one intersting thing though which finds its way into this discussion is the ancient Sumerians believed there were 10 planets.
